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0,4
Table of n, a(n) for n=0..52.
Hugo Pfoertner, Illustration
a(4)=5 because the smallest circle to touch A071339(4)=8 points has radius sqrt(5).
(FORTRAN) See A071339.
Cf. A071339-A071347.
Sequence in context: A256135 A227076 A223186 * A056451 A074872 A162962
Adjacent sequences: A071337 A071338 A071339 * A071341 A071342 A071343
easy,nonn
Hugo Pfoertner, May 22 2002
Edited by Don Reble (djr(AT)nk.ca), Nov 06 2005
approved